94 lines
3.3 KiB
Plaintext
94 lines
3.3 KiB
Plaintext
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the documentation of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:FDL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Free Documentation License Usage
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** Alternatively, this file may be used under the terms of the GNU Free
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** Documentation License version 1.3 as published by the Free Software
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** Foundation and appearing in the file included in the packaging of
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** this file. Please review the following information to ensure
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** the GNU Free Documentation License version 1.3 requirements
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** will be met: https://www.gnu.org/licenses/fdl-1.3.html.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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/*!
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\namespace QSql
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\inmodule QtSql
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\brief The QSql namespace contains miscellaneous identifiers used throughout
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the Qt SQL module.
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\ingroup database
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\sa {Qt SQL}
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*/
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/*!
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\enum QSql::Location
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This enum type describes special SQL navigation locations:
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\value BeforeFirstRow Before the first record.
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\value AfterLastRow After the last record.
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\sa QSqlQuery::at()
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*/
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/*!
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\enum QSql::ParamTypeFlag
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This enum is used to specify the type of a bind parameter.
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\value In The bind parameter is used to put data into the database.
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\value Out The bind parameter is used to receive data from the database.
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\value InOut The bind parameter is used to put data into the
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database; it will be overwritten with output data on executing
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a query.
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\value Binary This must be OR'd with one of the other flags if
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you want to indicate that the data being transferred is
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raw binary data.
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*/
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/*!
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\enum QSql::TableType
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This enum type describes types of SQL tables.
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\value Tables All the tables visible to the user.
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\value SystemTables Internal tables used by the database.
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\value Views All the views visible to the user.
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\value AllTables All of the above.
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*/
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/*!
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\enum QSql::NumericalPrecisionPolicy
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Numerical values in a database can have precisions greater than their corresponding
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C++ types. This enum lists the policies for representing such values in the application.
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\value LowPrecisionInt32 Force 32bit integer values. In case of floating point numbers,
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the fractional part is silently discarded.
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\value LowPrecisionInt64 Force 64bit integer values. In case of floating point numbers,
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the fractional part is silently discarded.
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\value LowPrecisionDouble Force \c double values. This is the default policy.
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\value HighPrecision Strings will be used to preserve precision.
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Note: The actual behaviour if an overflow occurs is driver specific. The Oracle database
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just returns an error in this case.
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*/
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